GB649732A - Improvements in or relating to electrical waveguides - Google Patents

Improvements in or relating to electrical waveguides

Info

Publication number
GB649732A
GB649732A GB8746/48A GB874648A GB649732A GB 649732 A GB649732 A GB 649732A GB 8746/48 A GB8746/48 A GB 8746/48A GB 874648 A GB874648 A GB 874648A GB 649732 A GB649732 A GB 649732A
Authority
GB
United Kingdom
Prior art keywords
guide
piston
wave
slots
quarter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8746/48A
Other languages
English (en)
Inventor
John Collard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to NL78957D priority Critical patent/NL78957C/xx
Priority to NL696912068A priority patent/NL145326B/xx
Application filed by EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Priority to GB8746/48A priority patent/GB649732A/en
Priority to US81656A priority patent/US2675524A/en
Priority to FR983312D priority patent/FR983312A/fr
Publication of GB649732A publication Critical patent/GB649732A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/24—Terminating devices
    • H01P1/28—Short-circuiting plungers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/06—Cavity resonators

Landscapes

  • Pistons, Piston Rings, And Cylinders (AREA)
  • Non-Reversible Transmitting Devices (AREA)
GB8746/48A 1948-03-25 1948-03-25 Improvements in or relating to electrical waveguides Expired GB649732A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL78957D NL78957C (es) 1948-03-25
NL696912068A NL145326B (nl) 1948-03-25 Legercombinatie.
GB8746/48A GB649732A (en) 1948-03-25 1948-03-25 Improvements in or relating to electrical waveguides
US81656A US2675524A (en) 1948-03-25 1949-03-16 Electrical wave guide provided with tuning pistons
FR983312D FR983312A (fr) 1948-03-25 1949-03-18 Guide d'ondes électriques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8746/48A GB649732A (en) 1948-03-25 1948-03-25 Improvements in or relating to electrical waveguides

Publications (1)

Publication Number Publication Date
GB649732A true GB649732A (en) 1951-01-31

Family

ID=9858479

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8746/48A Expired GB649732A (en) 1948-03-25 1948-03-25 Improvements in or relating to electrical waveguides

Country Status (4)

Country Link
US (1) US2675524A (es)
FR (1) FR983312A (es)
GB (1) GB649732A (es)
NL (2) NL145326B (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1211298B (de) * 1963-10-28 1966-02-24 Philips Patentverwaltung Abstimmbarer Hohlleiter-Resonator fuer hochfrequente elektrische Schwingungen
US3806842A (en) * 1972-11-13 1974-04-23 Harvard Ind Inc Re-entrant radial choke for cavity resonator with displacing mechanism
US3975695A (en) * 1975-06-10 1976-08-17 The United States Of America As Represented By The Secretary Of The Army Waveguide beyond cutoff coupler for coupling to resonant cavity
US4688008A (en) * 1986-02-03 1987-08-18 Motorola, Inc. Locking, adjustable waveguide shorting piston
US5138289A (en) * 1990-12-21 1992-08-11 California Institute Of Technology Noncontacting waveguide backshort
IT1261423B (it) * 1993-03-19 1996-05-23 Alenia Spazio Spa Divisore variabile di potenza planare.
US8823471B2 (en) * 2009-05-28 2014-09-02 James Stenec Waveguide backshort electrically insulated from waveguide walls through an airgap

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE23131E (en) * 1949-06-28 Tuned microwave wattmeter
US2106769A (en) * 1935-08-23 1938-02-01 American Telephone & Telegraph Transmission of guided waves
US2451876A (en) * 1943-06-05 1948-10-19 Winfield W Salisbury Radio-frequency joint
FR958806A (es) * 1944-02-09 1950-03-21
US2441598A (en) * 1944-06-16 1948-05-18 Bell Telephone Labor Inc Wave transmission
US2530248A (en) * 1945-04-16 1950-11-14 Western Electric Co Method and apparatus for measuring electrical properties
US2518092A (en) * 1945-07-24 1950-08-08 Philco Corp Ultra high frequency band-pass circuits
BE472577A (es) * 1946-04-26

Also Published As

Publication number Publication date
FR983312A (fr) 1951-06-21
NL78957C (es)
US2675524A (en) 1954-04-13
NL145326B (nl)

Similar Documents

Publication Publication Date Title
GB617381A (en) Wave guide phase shifters
GB673149A (en) Improvements relating to electromagnetic waveguides
GB649732A (en) Improvements in or relating to electrical waveguides
GB668900A (en) Improvements in or relating to heavy-current air-break electrical switch contacts
GB647470A (en) Improvements in and relating to high frequency magnetrons
GB627092A (en) Wave guide
GB577662A (en) Improvements in resonators for use in wave-guide electrical communication systems
GB718865A (en) Wave-guide switches
GB654106A (en) Improvements in wave guides
GB604270A (en) Improvements in or relating to wave guide frequency changers
GB1127678A (en) Improvements in or relating to varactor diode devices
GB1009639A (en) Improvements in and relating to electrical connecting devices
GB578032A (en) Improvements in push-button electric switches
GB988371A (en) Improvements in or relating to electric switches
GB676742A (en) Improvements in and relating to magnetron apparatus
JPS55135402A (en) Coaxial resonator
SU363138A1 (ru) Резонансный щелевой модуль
GB677990A (en) Improvements in electronic discharge tubes
GB728090A (en) Improvements in or relating to duplexing equipment for radar systems and the like
GB680986A (en) Improvements in or relating to wave guide apparatus
GB601838A (en) Improvements in and relating to electric switches having arc-rupturing devices
GB706923A (en) Improvements in or relating to very high frequency wave energy generator arrangements
AU146700B2 (en) Improvements in switches for high-frequency electrical oscillations
CA451997A (en) High power circuit breaker
GB567789A (en) Improvements in or relating to oil- or liquid-immersed electric transformers and other apparatus for use on high voltage circuits